ˈī(ə)rfəl, ˈīəf- adjective
Etymology: Middle English, from ire + -ful
1. : full of ire : marked by ire : angry , wrathful
an ireful mood
2. : given to ire : easily angered : irascible , choleric
an ill-tempered ireful old man
• ire·ful·ly -fəlē, -li adverb
• ire·ful·ness noun -es